Package net.hydromatic.morel.eval

Class Comparators.ComparatorBuilder.DeferredComparator

java.lang.Object

net.hydromatic.morel.eval.Comparators.ComparatorBuilder.DeferredComparator

All Implemented Interfaces:

Comparator

Enclosing class:

Comparators.ComparatorBuilder

private class Comparators.ComparatorBuilder.DeferredComparator
extends Object
implements Comparator

Comparator that defers the lookup of the comparator until it is first used. Used for cyclic types, e.g.

 datatype 'a list = cons of 'a * 'a list | nil;
 

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final com.google.common.base.Supplier<Comparator>	supplier

Constructor Summary

Constructors

Constructor	Description
DeferredComparator(Type.Key key)

Method Summary

Modifier and Type	Method	Description
int	compare(Object o1, Object o2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

supplier

final com.google.common.base.Supplier<Comparator> supplier

Constructor Details

DeferredComparator

DeferredComparator(Type.Key key)

Method Details

compare

public int compare(Object o1,
 Object o2)

Specified by:

compare in interface Comparator